488999985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{40801}}^1$

素因数の和:40873

約数の個数: 32

約数和(自身を含む): 846070272

約数和(自身を除く): 357070287

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 11985, 40801, 122403, 204005, 612015, 693617, 1917647, 2080851, 3468085, 5752941, 9588235, 10404255, 28764705, 32599999, 97799997, 162999995, 488999985]

約数ペア:

[(1, 488999985), (3, 162999995), (5, 97799997), (15, 32599999), (17, 28764705), (47, 10404255), (51, 9588235), (85, 5752941), (141, 3468085), (235, 2080851), (255, 1917647), (705, 693617), (799, 612015), (2397, 204005), (3995, 122403), (11985, 40801)]